Apentix/AP Biology/Ap bio u6/Question
AP Biologymediummcq1 pt

Which of the following is a consequence of a frameshift mutation?

A.D) Silencing of gene expression
B.C) Alteration of the reading frame of a gene
C.B) Substitution of a single nucleotide
D.A) Insertion or deletion of a single nucleotide

Explanation

Core Concept

A frameshift mutation is a type of mutation that alters the reading frame of a gene. This occurs when one or more nucleotides are inserted or deleted from a gene, resulting in a change to the reading frame. The other options are incorrect: insertion or deletion of a single nucleotide is a type of point mutation, substitution of a single nucleotide is also a type of point mutation, and silencing of gene expression is a possible consequence of a mutation, but not a direct consequence of a frameshift mutation.

Correct Answer

C

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